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From "Johnny Kewl" <j...@kewlstuff.co.za>
Subject Re: Tomcat6.0.18+Log entries upon shutting down TomCat
Date Tue, 23 Sep 2008 20:07:17 GMT

Subhrajyoti

Look I dont know, I've never seen this, we dont run the latest as policy...
But I would drop back a few TC versions...

I think a wrapper represents a servlet instance... (guess)... and 253,020 
sounds like a huge number.

I think you should be concerned... whether it is a TC issue or a Webapp 
issue you only going to discover if you try a few TC's that have been around 
for a while...

I think document your entire system.... the JRE as well... and if it does 
not show in an earlier TC, let the dev group know....

The thing that would tell you that there is definitely an issue, is if you 
watch the memory during the load test... if thats getting less and less with 
time.... its crashing...

It seems to be holding servlets in memory and making new ones... it may not 
be TC... you now have to experiment....

... it doesnt look right... but then it may be that your system is just 
enormous ;)
... or some new feature in the latest TC ??

I think you right been concerned... doesnt smell right ;)

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----- Original Message ----- 
From: <Choudhury@labware.com>
To: <users@tomcat.apache.org>
Sent: Tuesday, September 23, 2008 11:20 AM
Subject: Tomcat6.0.18+Log entries upon shutting down TomCat


> Hi All,
>              My first question in this forum . I am load testing our
> webapp using Jmeter . The test was configured to simulate  50 simultaneous
> users . After running the test for about 18hours or so , I decided to
> shutdown Tomcat  and after executing shutdown.bat file , I got the
> following messages inside catalina.2008-09-23.log . At the time when I
> stopped Tomcat, Jmeter was showing as all the 50 threads up and running .
> My question :
>
> 1. What this line INFO: Waiting for 253,020 instance(s) to be deallocated
> means ?
> 2. Are these messages worrisome from the application point of view ?
> .
>
> Sep 23, 2008 1:53:38 PM org.apache.coyote.http11.Http11Protocol pause
> INFO: Pausing Coyote HTTP/1.1 on http-8080
> Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardService stop
> INFO: Stopping service Catalina
> Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 253,020 instance(s) to be deallocated
> Sep 23, 2008 1:53:40 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 253,016 instance(s) to be deallocated
> Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 253,015 instance(s) to be deallocated
> Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 42 instance(s) to be deallocated
> Sep 23, 2008 1:53:42 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 42 instance(s) to be deallocated
> Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 42 instance(s) to be deallocated
> Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 7,570 instance(s) to be deallocated
> Sep 23, 2008 1:53:44 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 7,570 instance(s) to be deallocated
> Sep 23, 2008 1:53:45 PM org.apache.catalina.core.StandardWrapper unload
> INFO: Waiting for 7,570 instance(s) to be deallocated
> Sep 23, 2008 1:53:53 PM org.apache.coyote.http11.Http11Protocol destroy
> INFO: Stopping Coyote HTTP/1.1 on http-8080
>
>
> Regards,
>
> Subhrajyoti
> Mobile: +919830079545
> Mail: choudhury@labware.com
> Web: www.labware.com
>
> LabWare LIMS Solutions - Results Count 


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